Asus ZenFone 4 User Manual page 21

CE (SAR)
This device meets the EU requirements
(1999/519/EC) on the limitation of
exposure of the general public to
electromagnetic fields by way of health
protection.
The limits are part of extensive
recommendations for the protection
of the general public. These
recommendations have been developed
and checked by independent scientific
organizations through regular and
thorough evaluations of scientific
studies. The unit of measurement for
the European Council s recommended
limit for mobile devices is the "Specific
Absorption Rate" (SAR), and the SAR
limit is 2.0 W/ kg averaged over 10 gram
of body tissue. It meets the requirements
of the International Commission on Non-
Ionizing Radiation Protection (ICNIRP).
For body worn operation, this device
has been tested and meets the ICNIRP
exposure guidelines and the European
Standard EN 50566 and EN 62209-2, for
use with dedicated accessories. Use of
other accessories which contain metals
may not ensure compliance with ICNIRP
exposure guidelines.
SAR is measured with the device at a
separation of 0 cm and 1.5 cm to the
body, while transmitting at the highest
certified output power level in all
frequency bands of the mobile device.
The maximum SAR value of ZenFone 4
for each frequency band is listed below: